Add new SkPoint3 class

gm/lighting.cpp

Index: gm/lighting.cpp
diff --git a/gm/lighting.cpp b/gm/lighting.cpp
index 0bfbb47a95e140a4f436a102d43629b171e3555b..6df58516b2b5f4f7118e3e24513be926ddfa065e 100644
--- a/gm/lighting.cpp
+++ b/gm/lighting.cpp
@@ -8,6 +8,7 @@
 #include "gm.h"
 #include "SkLightingImageFilter.h"
 #include "SkOffsetImageFilter.h"
+#include "SkPoint3.h"
 
 #define WIDTH 330
 #define HEIGHT 660
@@ -69,14 +70,18 @@ protected:
             canvas->restore();
           }
         }
-        SkPoint3 pointLocation(0, 0, SkIntToScalar(10));
+        SkPoint3 pointLocation = SkPoint3::Make(0, 0, SkIntToScalar(10));
         SkScalar azimuthRad = SkDegreesToRadians(SkIntToScalar(225));
         SkScalar elevationRad = SkDegreesToRadians(SkIntToScalar(5));
-        SkPoint3 distantDirection(SkScalarMul(SkScalarCos(azimuthRad), SkScalarCos(elevationRad)),
-                                  SkScalarMul(SkScalarSin(azimuthRad), SkScalarCos(elevationRad)),
-                                  SkScalarSin(elevationRad));
-        SkPoint3 spotLocation(SkIntToScalar(-10), SkIntToScalar(-10), SkIntToScalar(20));
-        SkPoint3 spotTarget(SkIntToScalar(40), SkIntToScalar(40), 0);
+        SkPoint3 distantDirection = SkPoint3::Make(SkScalarMul(SkScalarCos(azimuthRad),
+                                                               SkScalarCos(elevationRad)),
+                                                   SkScalarMul(SkScalarSin(azimuthRad),
+                                                               SkScalarCos(elevationRad)),
+                                                   SkScalarSin(elevationRad));
+        SkPoint3 spotLocation = SkPoint3::Make(SkIntToScalar(-10),
+                                               SkIntToScalar(-10),
+                                               SkIntToScalar(20));
+        SkPoint3 spotTarget = SkPoint3::Make(SkIntToScalar(40), SkIntToScalar(40), 0);
         SkScalar spotExponent = SK_Scalar1;
         SkScalar cutoffAngle = SkIntToScalar(15);
         SkScalar kd = SkIntToScalar(2);